13619175

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 23831808

約数和(自身を除く): 10212633

約数列:

[1, 3, 5, 15, 25, 41, 43, 75, 103, 123, 129, 205, 215, 309, 515, 615, 645, 1025, 1075, 1545, 1763, 2575, 3075, 3225, 4223, 4429, 5289, 7725, 8815, 12669, 13287, 21115, 22145, 26445, 44075, 63345, 66435, 105575, 110725, 132225, 181589, 316725, 332175, 544767, 907945, 2723835, 4539725, 13619175]

約数ペア:

[(1, 13619175), (3, 4539725), (5, 2723835), (15, 907945), (25, 544767), (41, 332175), (43, 316725), (75, 181589), (103, 132225), (123, 110725), (129, 105575), (205, 66435), (215, 63345), (309, 44075), (515, 26445), (615, 22145), (645, 21115), (1025, 13287), (1075, 12669), (1545, 8815), (1763, 7725), (2575, 5289), (3075, 4429), (3225, 4223)]